Question # 1

If P = {x/x = p/q where p,q∈ Z and q≠ 0}, then P is the set of

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Irrational numbers

Even numbers

Rational numbers

Whole numbers

The set of integer is

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Finite group

A group w.r.t addition

A group w.r.t multiplication

Not a group

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none of these

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Addition

Subtraction

Multiplication

None of these

What is the number of elements of the power set of {0, 1}

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1

2

3

4

The set X is

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Proper Subset of X

Not A subset of X

Improper Subset of X

None of these

The number of different ways of describing a set is

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One

Two

Three

Four

If a set S contains "n" elements then P (S) has ...... number of elements

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2ⁿ

2²ⁿ

2 . n

n²

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1

12

5

29

The set of complex numbers forms a group under the binary operation of

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Addition

none of these

Division

Subtraction

A set having only one element is called

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An empty set

Universal set

A singleton set

A power set

A function whose range is just one elements is called

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One-one function

Constant function

Onto function

Identity function

Which of the following sets in infinite

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The set of students of your class

The set of all schools in Pakistan

The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

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None of these

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The set of complex numbers forms a group under the binary operation of

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Addition

Multiplication

Division

Subtraction

Power set of difference set N-W is

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Empty set

Infinite set

Singleton set

{0,∅}

Multiplicative inverse of "1" is

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+- 1

0

1

None of these

The set of complex numbers forms

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Commutative group w.r.t addition

Commutative group w.r.t multiplication

Commutative group w.r.t division

Non commutative group w.r.t addition

The set of the first elements of the ordered pairs forming a relation is called its

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Function on B

Range

Domain

A into B

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Φ set is the _______ of all sets

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Subset

Union

Universal

Intersection

The set of rational numbers is subset of

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The set of natural numbers

The set of real numbers

The set of integers

The set of whole numbers

The set { {a, b} } is

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Infinite set

Singleton set

Two points set

Empty set

The set {-1,1} is closed under the binary operation of

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Addition

Multiplication

Subtraction

Division

Which of the following has the same value as i113

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i

-1

-i

1

If we have a statement "if p then q" then q is called

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Conclusion

Implication

Unknown

Hypothesis

Z is the set of integers (Z.*) is a group with a * b = a +b +1, a,b ∈ G.then inverse of a is

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-a

a +1

-1-a

None of these

The set {{a,b}} is

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Infinite set

Singleton set

Two points set

None

A = B iff

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All elements of A also the elements of B

A and B should be singleton

A and B have the same number of elements

If both have the same element

Which of the following sets is finite

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The set of natural numbers between 3 and 10

The set of rational numbers between 3 and 10

The set of real numbers between 0 and 1

The set of rational numbers between 0 and 1

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ECAT Mathematics Chapter 2 Set Function and Groups Online Test MCQs With Answers

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